29,012 reports of this reaction
5.0% of all SULFASALAZINE reports
#1 most reported adverse reaction
DRUG INEFFECTIVE is the #1 most commonly reported adverse reaction for SULFASALAZINE, manufactured by Pfizer Laboratories Div Pfizer Inc. There are 29,012 FDA adverse event reports linking SULFASALAZINE to DRUG INEFFECTIVE. This represents approximately 5.0% of all 583,229 adverse event reports for this drug.
SULFASALAZINE has an overall safety score of 85 out of 100. Patients taking SULFASALAZINE who experience drug ineffective should discuss this symptom with their healthcare provider to determine whether it may be related to their medication and what alternatives may be available.
DRUG INEFFECTIVE is moderately reported among SULFASALAZINE users, representing a notable but not dominant share of adverse events.
In addition to drug ineffective, the following adverse reactions have been reported for SULFASALAZINE:
The following drugs have also been linked to drug ineffective in FDA adverse event reports:
DRUG INEFFECTIVE has been reported as an adverse event in 29,012 FDA reports for SULFASALAZINE. This does not prove causation, but indicates an association observed in post-market surveillance data.
DRUG INEFFECTIVE accounts for approximately 5.0% of all adverse event reports for SULFASALAZINE, making it one of the most commonly reported side effect.
If you experience drug ineffective while taking SULFASALAZINE, contact your healthcare provider. They can evaluate whether the symptom is related to your medication and discuss potential adjustments to your treatment plan. Do not stop taking prescribed medication without consulting your doctor.